2031949542 has 48 divisors (see below), whose sum is σ = 4734037872. Its totient is φ = 579741120.

The previous prime is 2031949519. The next prime is 2031949553. The reversal of 2031949542 is 2459491302.

It is a self number, because there is not a number n which added to its sum of digits gives 2031949542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222792 + ... + 231732.

It is an arithmetic number, because the mean of its divisors is an integer number (98625789).

Almost surely, 2^2031949542 is an apocalyptic number.

2031949542 is an abundant number, since it is smaller than the sum of its proper divisors (2702088330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031949542 is a wasteful number, since it uses less digits than its factorization.

2031949542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2031949542 is about 45077.1509969297. The cubic root of 2031949542 is about 1266.5946222028.

The spelling of 2031949542 in words is "two billion, thirty-one million, nine hundred forty-nine thousand, five hundred forty-two".